Air Quality Alert issued May 29 at 12:09PM EDT by NWS Marquette MI
The Michigan Department of Environmental Quality has issued an Air Quality Advisory for elevated levels of fine particulates (PM2.5) in the western half of the Upper Peninsula of Michigan. Pollutants within those areas are expected to be in the Unhealthy for Sensitive Groups range. The Air Quality Advisory includes the following counties: Baraga, Dickinson, Gogebic, Houghton, Iron, Keweenaw, Marquette, Menominee, and Ontonagon. A cold front moving down from Ontario early Friday morning will bring wildfire smoke plumes from fires in the provinces of Manitoba and Saskatchewan into the region. As a result, we anticipate PM2.5 levels rising into the Unhealthy
Air Quality Alert issued May 28 at 3:16PM MST by NWS Tucson AZ
The Pima County Department of Environmental Quality (PDEQ) has issued an Ozone Action Day for the Tucson Metro area until 8 PM MST this evening. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air pollutant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute, or use mass transit. The use
Air Quality Alert issued May 28 at 11:20AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for Pinal County Thursday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of gasoline-powered equipment should be reduced
Air Quality Alert issued May 28 at 11:16AM MST by NWS Phoenix AZ
AQAPSR The Arizona Department of Environmental Quality (ADEQ) has issued an Ozone High Pollution Advisory for the Phoenix Metro Area on Wednesday and Thursday. This means that forecast weather conditions combined with existing ozone levels are expected to result in local maximum 8-hour ozone concentrations that pose a health risk. Adverse health effects increase as air quality deteriorates. Ozone is an air contaminant which can cause breathing difficulties for children, older adults, as well as persons with respiratory problems. A decrease in physical activity is recommended. You are urged to car pool, telecommute or use mass transit. The use of
Air Quality Alert issued May 28 at 4:03PM CDT by NWS Duluth MN
* WHAT...The Minnesota Pollution Control Agency has issued an Air Quality Alert for fine particles pollution. The Air Quality Index (AQI) is expected to reach the Red or Unhealthy category. * WHERE...Northeast Minnesota. * WHEN...From 8 AM CDT Thursday to 6 PM CDT Friday. * IMPACTS...Some members of the general public may experience health effects. Sensitive groups, such as people with lung disease (including asthma), heart disease, and children and older adults, may experience health effects. * ADDITIONAL DETAILS...Heavy smoke from Canadian wildfires across southeast Manitoba will drift southeastward around an area of high pressure into northeastern Minnesota beginning Thursday
Air Quality Alert issued May 26 at 1:20PM PDT by NWS San Diego CA
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. * WHERE...in the Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...from 4PM Monday to 11PM Tuesday. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who are
Air Quality Alert issued May 24 at 9:56AM PDT by NWS San Diego CA
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. * WHERE...in the Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...3 PM Saturday through 5 AM Monday. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who
Air Quality Alert issued May 22 at 5:41PM PDT by NWS San Diego CA
* WHAT...The South Coast AQMD has issued an air quality alert due to harmful levels of particle pollution from windblown dust. * WHERE...in the Coachella Valley. Levels of particle pollution can vary by time and location depending on emissions and local weather conditions. * WHEN...2 PM Friday through 8 AM Saturday. * IMPACTS... Particle pollution can get deep into the lungs and cause serious health problems such as asthma attacks, heart and lung disease symptoms, and increased risk of lung infections. Everyone can be affected, but sensitive groups such as people with lung or heart disease, older adults, people who
Air Quality Alert issued May 21 at 2:43PM CDT by NWS Houston/Galveston TX
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Thursday, May 22, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Thursday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean
Air Quality Alert issued May 20 at 2:53PM CDT by NWS Houston/Galveston TX
AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Wednesday, May 21, 2025. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Wednesday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean